Anywhere, every day demands nothing less than superior sound. The new CX True Wireless from Sennheiser offers an outstanding personal audio experience with crystal-clear sound, great battery life, and effortless ease of use. The CX True Wireless lets you enjoy superior crystal-clear sound, great battery life, and effortless ease of use for an outstanding everyday audio experience. German-made 7 mm dynamic drivers create Sennheiser's signature sound quality. With 9 hours of playback time and a further 18 hours of battery life via on-the-go charging, you can enjoy this superior experience all day and in any environment thanks to the great passive noise cancellation provided by the secure-fitting ergonomic design. Speech is optimized for calls and voice assistant access, thanks to dual mics on each earbud for superior voice pick-up even when using just one individual earbud. This convenient role-switching feature allows either earbud to be used on its own for added versatility and comes to the Sennheiser True Wireless family for the first time with the CX True Wireless. The Adjustable Sidetone feature makes phone calls more comfortable by letting the wearer hear their own voice during calls. A slider setting in the Smart Control app lets you choose just how much SideTone is preferred, with a choice of 3 options (Sidetone Off, Sidetone Mid, SidetoneOn). You can rely on dependable connectivity, thanks to Bluetooth 5.2 compatibility, SBC, AACand AptX audio codec support for brilliant wireless sound and effortless management of Bluetooth connections via the Smart Control app. The CX True Wireless delivers sound that's a class above: German-made 7mm dynamic drivers create Sennheiser's signature sound quality with deep bass, natural mids, and clear treble. With 9 hours of playback time and a further 18 hours of battery life via on-the-go charging using the case, nothing gets in the way of your listening enjoyment.